Sotheby’s International Realty Canada 2018 Mid-Year Top-Tier Real Estate Report reveals the impact of rising interest rates, stricter mortgage lending guidelines, and recent housing policies and taxes on the country’s major metropolitan top-tier real estate markets during the first half of 2018. While the $1 million-plus Greater Toronto Area (GTA) market remained resilient and the Montreal market flourished, Vancouver and Calgary underwent severe adjustments.